Digital Electronics

• A

• B

• C

• D

Name this component...

• LED

• AND

• NOT

• NOR

symbol for a NOT gate?

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State the name of this logic gate....

• AND

• NOT

• NOR

• OR

Complete the truth table for the logic gate!

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Figure shows the system of logic gates used to ensure the security of the strongroom of a bank.

The strongroom door will only open when the output F is logic 1.

Complete the table to show the logic states at A, B, C, D and E when the strongroom door can be opened.

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The two inputs of a NAND gate are both low (logic level 0). The output state is...

• 1

• 0

One input of a NAND gate is low (logic level 0) and the other input is high (logic level 1).

The output state is?

• 1

• 0

A logic gate contains a number of components.

Choose one of the following that is contained in a logic gate!

• Thermistor

• Transformer

• Transistor

• Transmitter

symbol for a NAND gate is....

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